2544113321 has 2 divisors, whose sum is σ = 2544113322. Its totient is φ = 2544113320.

The previous prime is 2544113317. The next prime is 2544113387. The reversal of 2544113321 is 1233114452.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1627234921 + 916878400 = 40339^2 + 30280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544113321 - 2² = 2544113317 is a prime.

It is not a weakly prime, because it can be changed into another prime (2544713321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272056660 + 1272056661.

It is an arithmetic number, because the mean of its divisors is an integer number (1272056661).

Almost surely, 2^2544113321 is an apocalyptic number.

It is an amenable number.

2544113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544113321 is an equidigital number, since it uses as much as digits as its factorization.

2544113321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 2544113321 is about 50439.2042066486. The cubic root of 2544113321 is about 1365.1451085744.

Adding to 2544113321 its reverse (1233114452), we get a palindrome (3777227773).

The spelling of 2544113321 in words is "two billion, five hundred forty-four million, one hundred thirteen thousand, three hundred twenty-one".